Versachem 16709 Radiator and Gas Tank Epoxy - 1 oz. Two-part epoxy stick that repairs leaks, holes and cracks in metal tanks Plugs small holes or fills in cracks without welding or removing the tank Set time: 2 hours; Cure time: 12-24 hours Non-flammable and resistant to gasoline, oil, kerosene and water Temperature range: 250F (dry), 125F (wet)